268996900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{65609}}^1$

素因数の和:65664

約数の個数: 36

約数和(自身を含む): 597969540

約数和(自身を除く): 328972640

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 65609, 131218, 262436, 328045, 656090, 1312180, 1640225, 2689969, 3280450, 5379938, 6560900, 10759876, 13449845, 26899690, 53799380, 67249225, 134498450, 268996900]

約数ペア:

[(1, 268996900), (2, 134498450), (4, 67249225), (5, 53799380), (10, 26899690), (20, 13449845), (25, 10759876), (41, 6560900), (50, 5379938), (82, 3280450), (100, 2689969), (164, 1640225), (205, 1312180), (410, 656090), (820, 328045), (1025, 262436), (2050, 131218), (4100, 65609)]